Question

Which of the following methods of ramming is suitable for the small batch production of castings?

(a) Hand moulding

(b) Squeezing

(c) Jolting

(d) Sand slinging

The question was posed to me in a national level competition.

The doubt is from Methods of Ramming Mold Boxes topic in division Mold and Mold Making of Casting-Forming-Welding I

Answer 1

Right answer is (a) Hand moulding

The explanation is: For the small batch production, it is very convenient to use the hand moulding method of ramming which is done manually and rest of the methods are mainly performed by the machines. So, it is very economical and time saving to use hand moulding for the small level production of castings.